plural grates
: a metal frame with bars across it that is used in a fireplace or to cover an opening
grates; grated; grating
1
: to cut (food) into very small pieces by rubbing it against a special tool (called a grater)
I'll beat the eggs while you grate the cheese.
grate chocolate/carrots
The recipe calls for half a cup of grated cheese.
2
: to make a harsh, unpleasant noise by rubbing against something
metal grating against metal
I hear a loud grating sound whenever I step on the brake.
3
: to have an annoying effect
His negative attitude begins to grate after a while. [=his attitude becomes very irritating after a while]
—often + onHis negative attitude is starting to grate on me. [=starting to bother or irritate me]
Her shrill voice can really grate on your nerves/ear.
Cite this Entry
“Grate.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/grate. Accessed 15 Apr. 2026.
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